function addTo(passed) {
const add = function (inner) { // creating closure
return passed + inner; //injecting var 'passed' in closure
};
return add;
}
var addThree = addTo(3);
var addOne = addTo(1);
var addFour = addTo(4);
console.log(addThree(3));
console.log(addOne(2));
console.dir(addFour);
var curry = function (fn) {
var arity = fn.length;
console.log('arity', arity);
return function f1(...args) {
console.log('f1 args', args);
if (args.length >= arity) {
console.log('enough arguments');
return fn(...args);
} else {
console.log('need more arguments');
return function f2(...moreArgs) {
console.log('f2', moreArgs);
var newArgs = args.concat(moreArgs);
return f1(...newArgs);
};
}
};
};
var add = function (a, b, c) {
return a + b + c;
};
var curriedAdd = curry(add);
var result = curriedAdd(1, 2, 3);
console.log('result', result);
